\chapter{Loads} \label{ch_loads}

\section{Time series}
TimeSeries objects represents the relationship between the time in the domain, t, and the load factor applied to the loads, $\lambda$, in the load pattern with which the TimeSeries object is associated, i.e.

\begin{equation}
  \lambda= F(t)
\end{equation}

\subsection{Constant TimeSeries}

\subsection{Linear TimeSeries}

\subsection{Trigonometric TimeSeries}

\subsection{Triangular TimeSeries}

\subsection{Rectangular TimeSeries}

\subsection{Pulse TimeSeries}

\subsection{Path TimeSeries}

\subsection{PeerMotion}

\subsection{PeerNGAMotion}
